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Clearaudio MM specs rolled back?

For those interested in Clearaudio MMs, they've changed the specs once again. When V2 was first released they said stronger magnets gave higher output and Maestro went from 3.6 to 4.1mV. Now they all say 3.6mV, except the two least expensive which are 3.3mV. This difference could be within tolerance because tolerance is anything they want it to be and it's around 10% anyway.

Inductance is now listed as 400mH, down from 420, except the Concept (least expensive) and Maestro which remain at 420. This difference is about 5%- within tolerance?

All the Clearaudio MMs share the same generator. Audio Technica is the OEM. If you're skeptical just pull out the stylus and look at the AT V magnet configuration. It's unmistakable. I always assumed the generator was different from the AT-95, and probably had the OCC wire which the 95 lacks. Now I'm not so sure. All the specs (with the exception of impedance)are identical to the 95. Impedance is complex and takes reactance into account. Clearaudio has changed the specs so many times over the last 4 years or so, I think they put down whatever they want.

I'll measure the DCR of my old Virtuoso and AT-95. If I remember correctly they are slightly different. But that won't prove anything. Specifications are subject to change without notice. Are the stronger magnets of V2 Maestro an illusion, or now abandoned? If one makes a wood top or body for a 95, would it sound identical to a CA? My V1 Virtuoso sounds slightly more refined than my potted 95. Could this be the wood top acting as a damper?
http://clearaudio.de/en/products/cartridges-mm-v2.php
Regards,
fleib

Showing 2 responses by kiddman

kiddman
341 posts
 
Come on, nearly all of these manufacturers make up the specs. Measuring lots and lots of high end analog, I've found the specs are dreams and wishes. MC's that show flat but have a rise of 8db by 14khz. Turntables that quote .01% wow + flutter but are really .3%.

Before you argue with me, buy some test gear and prove it for yourself. Measurrments mean a lot. But manufacturer quoted measurements, in this industry with no accountability, are meaningless.
kiddman
341 posts
 
What are you using to verify inductance and resistance repeatedly?

I've measured, using state of the art equipoment (with AC test signal, the only way to do it right) 30% differences in impedance with some brands. Yes, "mass produced" ones, if you can call the bigger premium MC makers "mass produced".

A few manufacturers are quite consistent, and very consistent in sound. And with many manufacturers, I've never heard 2 sound close to identical, tested one right after the other. Fleib, how are you measuring compliance?
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